Hmm. I can’t hear it. Is it below human hearing range?? I have dogs hearing and have a very high threshold but not super low. Please enlighten! 

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I combine my passions for science, journalism and the do-it-yourself ethos — paired with infinite curiosity — to craft clear, accessible and thought-provoking content for print, web, tablet, and other platforms. I'm Popular Science's projects editor, where I oversee the magazine's How 2.0 section, edits feature packages, embeds myself in and cover do-it-yourself/hacker/maker communities, and help develop and manage a blogging network.

62.8 Hertz

davemosher

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